Four samples of sterile Caloplaca crusts (Teloschistaceae, lichenized fungi) were determined on the basis of their ITS nrDNA sequences. The samples, collected in NW Russia, mainly from Kotlin Island, Baltic Sea, belong to three species, C. dichroa, C. obscurella and C. phlogina, the first and last species being new to north-western European Russia and to Leningrad region.

Himelbrant, Dmitry

Kuznetsova, Ekaterina

Redchenko, Olexii